/* v4: difficulty presets + EASY confirm button */
:root{
  --bg:#0b0c10;
  --panel:#12141a;
  --text:#f3f4f6;
  --muted:#b7bcc8;
  --stroke:#2a2f3a;
  --radius:18px;
  --shadow: 0 12px 32px rgba(0,0,0,.35);
  --btn-h:72px;
  --btn-f:22px;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 800px at 20% 10%, #1a1f2b, var(--bg));
}
.app{max-width:1200px;margin:0 auto;padding:14px;}
.hidden{display:none !important;}
.screen{min-height: calc(100vh - 28px);}

/* Start */
.start-wrap{display:flex; flex-direction:column; gap:18px; padding:10px 6px;}
.start-title{font-size:42px;font-weight:1000;letter-spacing:.02em;}
.start-sub{color:var(--muted);font-weight:800;margin-top:4px;}
.start-card{
  display:grid;
  grid-template-columns: 1fr 0.85fr;
  gap:16px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke);
  border-radius:24px;
  box-shadow:var(--shadow);
  padding:18px;
}
.start-main{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:420px;}
.field-label{font-weight:900;color:var(--muted);font-size:16px;}
.name-row{display:flex;align-items:center;gap:12px;}
.name-input{
  width:min(360px, 80vw); height:68px;
  border-radius:16px; border:2px solid rgba(255,255,255,.15);
  background:rgba(0,0,0,.20); color:var(--text);
  font-size:26px; padding:0 16px; text-align:center; font-weight:900;
}
.name-suffix{font-size:22px;font-weight:900;color:var(--muted);}
.difficulty-row{display:flex;gap:12px;align-items:center;}
.difficulty-select{
  height:54px; border-radius:14px;
  border:1px solid rgba(255,255,255,.15);
  background:rgba(0,0,0,.18);
  color:var(--text);
  font-weight:900;
  padding:0 12px;
}
.start-btn{
  width:min(580px, 90vw); height:92px;
  border-radius:22px; border:2px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.03);
  color:var(--text); font-size:26px; font-weight:1000; cursor:pointer;
}
.start-note{color:var(--muted);font-weight:800;line-height:1.7;text-align:center;max-width:620px;}
.start-right{border-left:1px solid var(--stroke); padding-left:16px;}
.hs-title{font-weight:1000; text-align:center; margin:6px 0 10px;}
.hs-list{margin:0; padding:0 0 0 18px; color:var(--muted); font-weight:900; line-height:1.9;}
.hs-list strong{color:var(--text);}
.hs-meta{font-weight:800;color:var(--muted);font-size:12px;margin-left:6px;}

/* Game */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 6px;margin-bottom:10px;}
.topbar-center{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center;}
.pill{
  background:rgba(255,255,255,.06);
  border:1px solid var(--stroke);
  padding:10px 14px;border-radius:999px;
  font-weight:900; letter-spacing:.02em;
  min-width:108px;text-align:center;
}
.icon-btn{
  width:54px;height:54px;border-radius:16px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--text); font-size:22px; cursor:pointer;
}
.main{
  display:grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap:14px;
  align-items:stretch;
}
.receipt-panel,.decision-panel{
  background:rgba(255,255,255,.03);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.receipt-panel{padding:14px;}
.receipt-frame{
  height: min(62vh, 620px);
  border:1px solid var(--stroke);
  border-radius:14px;
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  overflow:auto;
  padding:14px;
}
.receipt-text{
  margin:0; white-space:pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Noto Sans Mono", monospace;
  font-size:16px; line-height:1.5; color:#e8eaee;
}
.receipt-scroll-hint{margin-top:10px;color:var(--muted);font-size:13px;}

.decision-panel{padding:14px; display:flex; flex-direction:column; gap:12px;}
.npc{display:flex;justify-content:flex-end;}
.npc-bubble{
  max-width:520px;background:rgba(255,255,255,.06);
  border:1px solid var(--stroke);border-radius:18px;
  padding:12px 14px;color:var(--text);
}
.card{
  background:rgba(0,0,0,.22);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  padding:12px 12px 14px;
}
.card-title{margin:0 0 10px;font-size:16px;color:var(--muted);font-weight:1000;}
.choice-grid{display:grid;grid-template-columns: repeat(2, minmax(0, 1fr));gap:10px;}
.choice-btn{
  height:72px;border-radius:16px;border:1px solid var(--stroke);
  background:rgba(255,255,255,.05);color:var(--text);
  font-size:22px;font-weight:1000;cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  padding:0 12px;text-align:center;
}
.choice-btn[aria-pressed="true"]{
  border-color: rgba(255,216,107,.75);
  box-shadow: 0 0 0 3px rgba(255,216,107,.18);
  background: rgba(255,216,107,.10);
}
.step-actions{display:flex; gap:12px;}
.primary-btn,.secondary-btn{
  height:66px;border-radius:18px;font-size:20px;font-weight:1000;
  cursor:pointer;border:1px solid var(--stroke);padding:0 16px;flex:1;
}
.primary-btn{background: linear-gradient(180deg, rgba(255,216,107,.95), rgba(255,216,107,.78)); color:#1a1400;}
.secondary-btn{background:rgba(255,255,255,.06);color:var(--text);}

.easy-actions{
  border:1px solid rgba(255,216,107,.22);
  background: rgba(255,216,107,.06);
  padding:12px;border-radius:18px;
}
.hint-btn{
  width:100%;height:64px;border-radius:16px;
  border:1px solid rgba(255,216,107,.55);
  background:rgba(0,0,0,.18);color:var(--text);
  font-size:20px;font-weight:1000;cursor:pointer;
}
.hint-note{margin-top:8px;color:var(--muted);font-weight:900;font-size:13px;text-align:center;}

.picked{
  display:grid; grid-template-columns:1fr 1fr; gap:10px;
  padding:10px 12px;border:1px dashed rgba(255,255,255,.18);
  border-radius:16px;background:rgba(0,0,0,.14);
}
.picked-row{display:flex; justify-content:space-between; gap:10px; color:var(--muted); font-weight:900;}
.picked-row b{color:var(--text); font-weight:1000;}
.status{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-weight:1000;}
.status span{color:var(--text);}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:18px;}
.modal.hidden{display:none;}
.modal-card{width:min(720px,100%);background:var(--panel);border:1px solid var(--stroke);border-radius:22px;box-shadow:var(--shadow);padding:18px;}
.modal-body{color:var(--text);line-height:1.6;margin:10px 0 16px;}
.modal-actions{display:flex;justify-content:flex-end;}

@media (max-width: 980px){
  .start-card{grid-template-columns:1fr;}
  .start-right{border-left:none;border-top:1px solid var(--stroke);padding-left:0;padding-top:14px;}
  .main{grid-template-columns:1fr;}
  .receipt-frame{height:360px;}
  .picked{grid-template-columns:1fr;}
}